... " 12.7mm x 12.7mm 16, 17, 18, 19, 20, 21 3/4" x 3/4" 19mm x 19mm 16 ... , 17, 18, 19, 20, 21 1" x 1" 25.4mm x 25.4mm 15 ... , 16, 17, 18, 19, 20 Technical Note:1, Standard roll length: 30m;width: 0.5m ... used in construction, chain link fence,welded wire mesh, welded fence panel,hexagonal wire netting, gabion,barbed wire,razor wire. galvanized iron barbed wire GI wire